The progress in the research of recycled Poly(ethylene terephthalate) (PET) to be modified by means of increasing viscosity, solid state polymerization, blending and strengthening is discussed.

• 从增黏改性、固相挤出法改性、共混改性、增强改性等几个方面综述了聚对苯二甲酸乙二醇酯(PET)瓶回收料改性的研究进展。